they use the city and surrounding areas as a base of operation. >> this is difficult to share the gospel in the extreme northern parts of nigeria. >> joshua works quietly. cbn news agreed to conceal his identity. he says the indigenous people consider christians as invaders and members of a western religion. >> i was born and raised here. because i am a christian, i am viewed and treated as a second and third and fourth-class citizen. >> boko haram is provoking christians into attacking muslims. some neighborhoods are taking measures to defend themselves. others rely on god for protection and take comfort in his word. >> even when i walk through the dark valley of death, i will not be afraid, for you are close beside me. >> george thomas, cbn news, kano, nigeria. >> thank you, george. up next, the gracea burnham story, how she and her kids are still serving the lord, today, stay tuned. >> in 2012, gracia burnham marked 10 years since the end of her captivity at the hands of killers. i talk wisdom gracia about her experience and how she has been reaching out to her former captors. >> the